Methods and articles for maintaining hydantoinylated polymers in a biocidally active state
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United States of America Patent
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Mar 21, 2006
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N/A
app pub date -
Jul 12, 2005
filing date -
Oct 1, 2003
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Abstract
A composition and the method for sustaining the biocidal activity of chlorinated polystyrene hydantoin beads. The method comprises supplying a continuous low level halogen concentration to the chlorinated polystyrene hydantoin beads in the water to be treated that flows in contact with the chlorinated polystyrene hydantoin beads, resulting in treated water suitable for drinking.
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